The frame has a nylon framework with a nickel-silver bridge that compliments oval

Lens Size:  57

Medium Aviator

Polarized:  Optional Photochromic:  Yes Lens Material:  Light Weight Mineral Glass Lens Size:  58mm (Length x Width)

Maui Jim Ano Nui 681 Sunglasses Polarized The frame has a nylonMAUI JIM ANO NUI 681 Pronunciation: ah no noo ee Models: 681 02, H681 10, GM681 02A, 681 01 (note higher price for 681 01) Lens Material: SuperThin Glass provides the absolute crispest optics available. 32% thinner and lighter than standard glass, it offers the best scratch resistance. The Maui Jim Ano Nui: Ano nui calls for exploration with an earth tone palette in an angular construction. This 8 base wrap around features a precision applied interior